Fishing Polarized sunglasses men day and night vision glasses Safety Driving Glasses with UV Protection and Anti Glare

1. Function
Ultraviolet (UV) protection
Ultraviolet light is part of the solar radiation, which is divided into UVA, UVB and UVC. UVC is usually absorbed by the atmosphere, while UVA and UVB are able to reach the Earth's surface and cause eye damage. Prolonged exposure to UV radiation may lead to eye diseases such as cataracts and pterygium. Sunglasses can effectively block most of the UVA and UVB, generally qualified sunglasses will mark its ultraviolet protection level on the label, such as UV400, which means that it can block the wavelength of ultraviolet light below 400 nanometers, the protection effect is very good.
Reduce glare
Glare mainly refers to the visual conditions that cause visual discomfort and reduce the visibility of objects due to inappropriate brightness distribution in the field of view, or extreme brightness contrast in space or time. For example, when driving, the glare from the headlights of the opposite vehicle, the strong light reflected from the water or the snow will produce glare. Sunglasses can reduce glare through special lens coatings and optical design, improve visual clarity and comfort, and allow the wearer to see the surrounding environment more clearly.